{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SPMU6XLTHAJ43QEGMYWTSCRQYJ","short_pith_number":"pith:SPMU6XLT","canonical_record":{"source":{"id":"1509.04421","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-15T07:12:15Z","cross_cats_sorted":[],"title_canon_sha256":"ada2a0a52ed8b957721811cf56cc45ffe49c17c7a42c8ad104f3ee9ad76c317a","abstract_canon_sha256":"dc4feb00941d61122cbf003c0cdc410687feaef25577bd2dfada3b4349e2b441"},"schema_version":"1.0"},"canonical_sha256":"93d94f5d733813cdc086662d390a30c24fd15de8c2baa3caf1efdd99a07e55f9","source":{"kind":"arxiv","id":"1509.04421","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04421","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04421v2","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04421","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"SPMU6XLTHAJ4","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SPMU6XLTHAJ43QEG","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SPMU6XLT","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SPMU6XLTHAJ43QEGMYWTSCRQYJ","target":"record","payload":{"canonical_record":{"source":{"id":"1509.04421","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-15T07:12:15Z","cross_cats_sorted":[],"title_canon_sha256":"ada2a0a52ed8b957721811cf56cc45ffe49c17c7a42c8ad104f3ee9ad76c317a","abstract_canon_sha256":"dc4feb00941d61122cbf003c0cdc410687feaef25577bd2dfada3b4349e2b441"},"schema_version":"1.0"},"canonical_sha256":"93d94f5d733813cdc086662d390a30c24fd15de8c2baa3caf1efdd99a07e55f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:31.083251Z","signature_b64":"0BW5MfhCp/emDKRwHIsXwjI+tQm+yzsfqj37/XHYk77cTLzXnPDThGok7El+0+MUZxMlYRIJ3tCiv0GIn45ACw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93d94f5d733813cdc086662d390a30c24fd15de8c2baa3caf1efdd99a07e55f9","last_reissued_at":"2026-05-18T01:21:31.082649Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:31.082649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.04421","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F37dAnPQeRqizomXFdeI9i92iAsbT+ihRewgr6cMwrqpOFIYrTFxnQrhO35Q93GyETpiAZWPB73YG6wYiBScDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T17:12:53.229340Z"},"content_sha256":"e35bcd5b1df11bde2c89b6d2a028a986a2222a931794ba6dbc3088680bb71117","schema_version":"1.0","event_id":"sha256:e35bcd5b1df11bde2c89b6d2a028a986a2222a931794ba6dbc3088680bb71117"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SPMU6XLTHAJ43QEGMYWTSCRQYJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QCD Factorization for Quarkonium Production in Hadron Collions at Low Transverse Momentum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. Wang, J.P. Ma","submitted_at":"2015-09-15T07:12:15Z","abstract_excerpt":"Inclusive production of a quarkonium $\\eta_{c,b}$ in hadron collisions at low transverse momentum can be used to extract various Transverse-Momentum-Dependent(TMD) gluon distributions of hadrons, provided the TMD factorization for the process holds. The factorization involving unpolarized TMD gluon distributions of unpolarized hadrons has been examined with on-shell gluons at one-loop level. In this work we study the factorization at one-loop level with diagram approach in the most general case, where all TMD gluon distributions at leading twist are involved. We find that the factorization hol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04421","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6VxngZj2hcd0947EUTAk78sfydPaDvkBdR/u7d89kuzF6KWSoz3x9SSEI5Mq2UAEiJ3q/PEK5Xdb+/wjUFPlAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T17:12:53.229681Z"},"content_sha256":"6957d14cfee2b66e58722c0efa2b146419bf39ce082148fe4bb6aa43871dcab0","schema_version":"1.0","event_id":"sha256:6957d14cfee2b66e58722c0efa2b146419bf39ce082148fe4bb6aa43871dcab0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/bundle.json","state_url":"https://pith.science/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-30T17:12:53Z","links":{"resolver":"https://pith.science/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ","bundle":"https://pith.science/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/bundle.json","state":"https://pith.science/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SPMU6XLTHAJ43QEGMYWTSCRQYJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SPMU6XLTHAJ43QEGMYWTSCRQYJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"dc4feb00941d61122cbf003c0cdc410687feaef25577bd2dfada3b4349e2b441","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-15T07:12:15Z","title_canon_sha256":"ada2a0a52ed8b957721811cf56cc45ffe49c17c7a42c8ad104f3ee9ad76c317a"},"schema_version":"1.0","source":{"id":"1509.04421","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04421","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04421v2","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04421","created_at":"2026-05-18T01:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"SPMU6XLTHAJ4","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SPMU6XLTHAJ43QEG","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SPMU6XLT","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:6957d14cfee2b66e58722c0efa2b146419bf39ce082148fe4bb6aa43871dcab0","target":"graph","created_at":"2026-05-18T01:21:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Inclusive production of a quarkonium $\\eta_{c,b}$ in hadron collisions at low transverse momentum can be used to extract various Transverse-Momentum-Dependent(TMD) gluon distributions of hadrons, provided the TMD factorization for the process holds. The factorization involving unpolarized TMD gluon distributions of unpolarized hadrons has been examined with on-shell gluons at one-loop level. In this work we study the factorization at one-loop level with diagram approach in the most general case, where all TMD gluon distributions at leading twist are involved. We find that the factorization hol","authors_text":"C. Wang, J.P. Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-15T07:12:15Z","title":"QCD Factorization for Quarkonium Production in Hadron Collions at Low Transverse Momentum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04421","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e35bcd5b1df11bde2c89b6d2a028a986a2222a931794ba6dbc3088680bb71117","target":"record","created_at":"2026-05-18T01:21:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"dc4feb00941d61122cbf003c0cdc410687feaef25577bd2dfada3b4349e2b441","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-15T07:12:15Z","title_canon_sha256":"ada2a0a52ed8b957721811cf56cc45ffe49c17c7a42c8ad104f3ee9ad76c317a"},"schema_version":"1.0","source":{"id":"1509.04421","kind":"arxiv","version":2}},"canonical_sha256":"93d94f5d733813cdc086662d390a30c24fd15de8c2baa3caf1efdd99a07e55f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93d94f5d733813cdc086662d390a30c24fd15de8c2baa3caf1efdd99a07e55f9","first_computed_at":"2026-05-18T01:21:31.082649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:31.082649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0BW5MfhCp/emDKRwHIsXwjI+tQm+yzsfqj37/XHYk77cTLzXnPDThGok7El+0+MUZxMlYRIJ3tCiv0GIn45ACw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:31.083251Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04421","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e35bcd5b1df11bde2c89b6d2a028a986a2222a931794ba6dbc3088680bb71117","sha256:6957d14cfee2b66e58722c0efa2b146419bf39ce082148fe4bb6aa43871dcab0"],"state_sha256":"85dac8a46394c55d6c773c775192e0876d03f609859115dbf98d2c1276367207"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ypqm5Y8Z66puXFp093Hu+Ah+up+NyLz2poHrL/R2gS5+6cF8klvUNXNoAJJUwltXvAbe6cev5h31Nzp79KZQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T17:12:53.231579Z","bundle_sha256":"1f689ec98cd96f340c6e9453bd56235420170b97a9f12f54ade03cd46594459b"}}